From 83f859ecf9065dbf00dd03f4f15361d6f6674d8a Mon Sep 17 00:00:00 2001
From: Robert Sesek <rsesek@bluestatic.org>
Date: Sat, 19 Mar 2005 03:39:10 +0000
Subject: [PATCH] Back to tokenization. The stack method WORKS, but we need to
 figure out why parsing it does not. *sigh* so complicated... wait... I think
 I know... HOLD ON :).

---
 template.php | 144 ++++++++++++++++++++++++---------------------------
 1 file changed, 67 insertions(+), 77 deletions(-)

diff --git a/template.php b/template.php
index 24f6f1f..9a58c5d 100644
--- a/template.php
+++ b/template.php
@@ -400,91 +400,81 @@ class DB_Template
 		$tag_start_end = '\">';
 		$tag_else = '<else />';
 		$tag_end = '</if>';
-		
-		$data = preg_replace('#<if condition=\\\"(.*?)\\\">#', '" . iff(\\1,"', $template);
-		$data = str_replace('<else />', '","', $data);
-		$data = str_replace('</if>', '") . "', $data);
-		
-		return $data;
-		
-		/*$stack = array();
+
+		$stack = array();
 		
 		for ($i = 0; $i < strlen($template); $i++)
 		{
 			// get the current character
 			$char = $template[ $i ];
 			
-			// is the char equal to the first character of the expression?
-			if ($char == substr($tag_start, 0, 1) OR $char == substr($tag_end, 0, 1))
+			// we've found ourselves a conditional!
+			if (substr($template, $i, strlen($tag_start)) == $tag_start)
 			{
-				// we've found ourselves a condition!
-				if (substr($template, $i, strlen($tag_start)) == $tag_start)
-				{
-					// where do we end the condition
-					$end = strpos($template, $tag_start_end, $i);
-					$end += strlen($tag_start_end);
-					//echo $template[ $end - 2 ] . $template[ $end - 1 ] . $template[ $end ] . $template[ $end + 1 ] . $template[ $end + 2 ] . " (" . $template[ $end ] . ") ";
-					//echo " { " . $template[ $end - 1 ] . " } ";
-				 	//echo " >>>>>> " . $end . " >>>>>> ";
-					
-					// extract the condition
-					$condition = substr($template, $i, $end - $i);
-					
-					//echo "||||||" . $_isso->sanitize($condition) . "||||||";
-					
-					// complete the open
-					array_push($stack, $i);
-					
-					//print_r($stack);
-				}
-				// do we have an end?
-				// make sure that it's the whole tag
-				else if (substr($template, $i, strlen($tag_end)) == $tag_end)
-				{
-					// calculate the end of the tag
-					$end = $i + strlen($tag_end);
-					
-					//echo ">>>>> $end <<<<<<";
-					
-					//print_r($stack);
-					
-					// find the most recently opened condition
-					$last = array_pop($stack);
-					
-					// get the full condition
-					$fullspread = substr($template, $last, $end - $last);
-					
-					// remove the beginning tag
-					$conditional = substr($fullspread, strlen($tag_start));
-					
-					// find the end of the expression
-					$temp_end = strpos($conditional, $tag_start_end);
-					
-					// save the expression
-					$expression = stripslashes(substr($conditional, 0, $temp_end));
-					
-					// remove the condition from the broken conditional
-					$conditional = substr($conditional, strlen($expression) + strlen($tag_start_end));
-					
-					// remove the tailing end tag
-					$conditional = substr($conditional, 0, strlen($conditional) - strlen($tag_end));
-					
-					//echo ">>>>>>> " . $_isso->sanitize($conditional) . " >>>>>>>";
-					
-					// place it in iff()
-					$parsed = '" . iff(' . stripslashes($expression) . ',"' . $conditional . '","") . "';
-					
-					echo "<<<< " . $_isso->sanitize($parsed) . " >>>> ";
-					
-					// replace it back into the template
-					$template = substr_replace($template, $parsed, $i, $i - $end + strlen($tag_end));
-					
-					echo ">>>>>>>>>>> $template <<<<<<<<<<";
-					exit;
-					//echo "<<<<<<<<<<<<<<<<< $conditional >>>>>>>>>>>";
-				}
+				// where do we end the condition
+				$end = strpos($template, $tag_start_end, $i);
+				$end += strlen($tag_start_end);
+				//echo $template[ $end - 2 ] . $template[ $end - 1 ] . $template[ $end ] . $template[ $end + 1 ] . $template[ $end + 2 ] . " (" . $template[ $end ] . ") ";
+				//echo " { " . $template[ $end - 1 ] . " } ";
+				//echo " >>>>>> " . $end . " >>>>>> ";
+				
+				// extract the condition
+				$condition = substr($template, $i, $end - $i);
+				
+				//echo "||||||" . $_isso->sanitize($condition) . "||||||";
+				
+				// complete the open
+				array_push($stack, $i);
+				
+				echo "OPEN `$i`: " . print_r($stack, true);
 			}
-		}*/
+			// do we have an end?
+			// make sure that it's the whole tag
+			else if (substr($template, $i, strlen($tag_end)) == $tag_end)
+			{
+				// calculate the end of the tag
+				$end = $i + strlen($tag_end);
+				
+				//echo ">>>>> $end <<<<<<";
+				
+				// find the most recently opened condition
+				$last = array_pop($stack);
+				
+				echo "CLOSE `$last`: " . print_r($stack, true);
+				
+				// get the full condition
+				$fullspread = substr($template, $last, $end - $last);
+				
+				// remove the beginning tag
+				$conditional = substr($fullspread, strlen($tag_start));
+				
+				// find the end of the expression
+				$temp_end = strpos($conditional, $tag_start_end);
+				
+				// save the expression
+				$expression = stripslashes(substr($conditional, 0, $temp_end));
+				
+				// remove the condition from the broken conditional
+				$conditional = substr($conditional, strlen($expression) + strlen($tag_start_end));
+				
+				// remove the tailing end tag
+				$conditional = substr($conditional, 0, strlen($conditional) - strlen($tag_end));
+				
+				//echo ">>>>>>> " . $_isso->sanitize($conditional) . " >>>>>>>";
+				
+				// place it in iff()
+				$parsed = '" . iff(' . stripslashes($expression) . ',"' . $conditional . '","") . "';
+				
+				//echo "<<<< " . $_isso->sanitize($parsed) . " >>>> ";
+				
+				// replace it back into the template
+				//$template = substr_replace($template, $parsed, $i, $i - $end + strlen($tag_end));
+				
+				//echo ">>>>>>>>>>> $template <<<<<<<<<<";
+				//exit;
+				//echo "<<<<<<<<<<<<<<<<< $conditional >>>>>>>>>>>";
+			}
+		}
 		return '';
 		//return $template;
 		// ------------------------------
-- 
2.22.5